Simulation and Optimization Design of Gasoline Engine Exhaust Muffler

Jie Cai; Yu Hong Long; Huai Hui Du; Jun Liang Liu; Wen Shang Li

doi:10.4028/www.scientific.net/AMM.599-601.451

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 599-601Simulation and Optimization Design of Gasoline...

Simulation and Optimization Design of Gasoline Engine Exhaust Muffler

Abstract:

The coupling simulation model of a gasoline engine’s working process and muffler is established by GT-Power software, and related data are obtained by simulation calculation. It is found that the calculating results are consistent with the actual data, which validates the correctness of this simulation model. Through the analysis processing of the coupling simulation model, it is put forward an improved case for the exhaust muffler in this paper. Based on a local optimization, the simulation results show that the insertion loss of muffler has improved markedly, the exhaust noise values decreased and indicated power engine remain basically unchanged.

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Periodical:

Applied Mechanics and Materials (Volumes 599-601)

Pages:

451-454

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.599-601.451

Citation:

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Online since:

August 2014

Authors:

Jie Cai*, Yu Hong Long, Huai Hui Du, Jun Liang Liu, Wen Shang Li

Keywords:

Gasoline Engine, GT-Power, Noise, Optimization

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* - Corresponding Author

References

[1] M.L. Munjal, Acoustics of Ducts and Mufflers, Wiley-Interscience, New York, (1987).

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[2] Renyi Qian, Automotive Engine Noise Control, Tongji University Press, Shanghai, (1997).

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[3] Jun Lan, Shaoxi Shi, Zhiyong Hao, Study on the Calculation of the Acoustical Transfer Property of Exhaust Muffler, Transactions of Csice. 19 (2001) 275-278.

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[4] Information on http: /www. gtisoft. com.

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